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All results from a given calculation for C2H5 (Ethyl radical)

using model chemistry: MP4=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP4=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-78.934661
Energy at 298.15K-78.938502
HF Energy-78.606526
Nuclear repulsion energy36.590219
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP4=FULL/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3169 3091        
2 A' 3070 2994        
3 A' 2986 2912        
4 A' 1482 1445        
5 A' 1458 1422        
6 A' 1383 1349        
7 A' 1072 1046        
8 A' 970 946        
9 A' 464 453        
10 A" 3278 3197        
11 A" 3115 3038        
12 A" 1468 1432        
13 A" 1186 1156        
14 A" 801 781        
15 A" 136 133        

Unscaled Zero Point Vibrational Energy (zpe) 13019.5 cm-1
Scaled (by 0.9752) Zero Point Vibrational Energy (zpe) 12696.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/aug-cc-pVDZ
ABC
3.38580 0.74419 0.69005

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.702 0.000
C2 -0.011 0.802 0.000
H3 1.022 -1.110 0.000
H4 -0.517 -1.105 0.895
H5 -0.517 -1.105 -0.895
H6 0.073 1.361 -0.935
H7 0.073 1.361 0.935

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.50361.11061.10401.10402.26662.2666
C21.50362.17292.16612.16611.09311.0931
H31.11062.17291.77971.77972.80742.8074
H41.10402.16611.77971.78993.12712.5358
H51.10402.16611.77971.78992.53583.1271
H62.26661.09312.80743.12712.53581.8708
H72.26661.09312.80742.53583.12711.8708

picture of Ethyl radical state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability